:root {
  --navy: #081a33;
  --navy-2: #0e294d;
  --blue: #145eff;
  --blue-dark: #0a49d8;
  --gold: #d8a949;
  --ink: #132238;
  --muted: #607086;
  --line: #dce4ef;
  --mist: #f3f7fc;
  --white: #fff;
  --radius: 18px;
  --shadow: 0 20px 60px rgba(8, 26, 51, .13);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--white); font-family: "DM Sans", sans-serif; font-size: 16px; line-height: 1.65; }
a { color: inherit; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { font-family: "Manrope", sans-serif; line-height: 1.12; }
h2 { font-size: clamp(2rem, 4vw, 3.4rem); letter-spacing: -.045em; }
h3 { letter-spacing: -.025em; }

.site-header { min-height: 96px; padding: 9px clamp(20px, 5vw, 76px); display: flex; align-items: center; justify-content: space-between; gap: 32px; position: relative; z-index: 10; color: var(--navy); background: rgba(255,255,255,.97); border-bottom: 1px solid rgba(8,26,51,.08); }
.brand { display: inline-flex; align-items: center; gap: 11px; text-decoration: none; font-family: "Manrope", sans-serif; font-weight: 800; letter-spacing: -.03em; }
.logo-link { flex: 0 1 245px; }
.header-logo { display: block; width: 100%; max-width: 245px; height: auto; }
.brand-mark { width: 38px; height: 38px; display: grid; place-items: center; background: var(--blue); color: white; border-radius: 50%; }
.brand-mark svg { width: 20px; fill: currentColor; }
nav { display: flex; align-items: center; gap: 28px; }
nav a, .nav-industries summary { color: #34475f; text-decoration: none; font-weight: 600; }
nav a:hover, .nav-industries summary:hover { color: var(--blue); }
.nav-industries { position: relative; }
.nav-industries summary { cursor: pointer; list-style: none; }
.nav-industries summary::-webkit-details-marker { display: none; }
.nav-industries summary::after { content: "⌄"; display: inline-block; margin-left: 6px; font-size: .85em; transition: transform .2s ease; }
.nav-industries[open] summary::after { transform: rotate(180deg); }
.industry-menu { position: absolute; top: calc(100% + 14px); left: 50%; width: 220px; padding: 10px; transform: translateX(-50%); border: 1px solid rgba(8,26,51,.1); border-radius: 14px; background: white; box-shadow: 0 18px 45px rgba(8,26,51,.16); }
.industry-menu a { display: block; padding: 10px 12px; border-radius: 9px; }
.industry-menu a:hover { background: #f2f6ff; }
.header-call { text-decoration: none; color: white; background: var(--navy); padding: 12px 20px; border-radius: 999px; font-weight: 700; }

.hero { position: relative; display: flex; flex-direction: column; overflow: hidden; background: var(--navy); color: white; }
.home-hero { display: grid; grid-template-columns: minmax(360px, .82fr) minmax(0, 1.18fr); align-items: center; }
.hero-image { display: block; width: 100%; height: auto; object-fit: cover; object-position: center; }
.home-hero > .hero-image { grid-column: 2; grid-row: 1; width: calc(100% - 28px); margin: 48px 28px 48px 0; justify-self: end; object-fit: contain; border-radius: 18px; background: #eef3f8; }
.hero-shade { display: none; }
.hero > .hero-content { position: relative; z-index: 2; grid-column: 1; grid-row: 1; width: 100%; padding: 64px clamp(24px, 5vw, 80px); }
.hero-image-label { width: 100%; margin: 0 0 22px; color: #ffffff; }
.eyebrow, .kicker { font-size: .83rem; font-weight: 800; letter-spacing: .13em; text-transform: uppercase; color: var(--blue); }
.eyebrow { display: flex; align-items: center; gap: 10px; color: #b6cdff; }
.eyebrow span { width: 28px; height: 2px; background: var(--gold); }
h1 { font-size: clamp(3rem, 6vw, 5.8rem); max-width: 820px; margin-bottom: 24px; letter-spacing: -.065em; }
.home-hero > .hero-content h1 { max-width: 620px; font-size: clamp(2.35rem, 3.8vw, 4.25rem); line-height: 1.04; }
.hero-copy { max-width: 650px; font-size: 1.15rem; color: #d9e4f2; line-height: 1.7; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 54px; padding: 0 25px; border-radius: 999px; text-decoration: none; font-weight: 800; transition: transform .2s ease, background .2s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: white; background: var(--blue); box-shadow: 0 12px 30px rgba(20,94,255,.28); }
.button-primary:hover { background: var(--blue-dark); }
.button-secondary { color: white; border: 1px solid rgba(255,255,255,.5); background: rgba(255,255,255,.06); backdrop-filter: blur(8px); }
.demo-note { margin: 22px 0 0; color: #b9c9dc; }
.demo-note strong { color: white; }
.trust-strip { position: relative; z-index: 3; min-height: 105px; padding: 22px clamp(24px, 7vw, 112px); display: flex; gap: clamp(30px, 7vw, 105px); align-items: center; background: #06182f; border-top: 1px solid rgba(255,255,255,.14); }
.home-hero > .trust-strip { grid-column: 1 / -1; }
.hvac-hero { display: grid; grid-template-columns: minmax(430px, .95fr) minmax(0, 1.05fr); align-items: center; }
.hvac-hero > .hero-content { grid-column: 1; grid-row: 1; padding: 58px clamp(24px, 4.5vw, 72px); }
.hvac-hero > .hero-image { grid-column: 2; grid-row: 1; width: calc(100% - 28px); height: min(560px, 48vw); min-height: 430px; margin: 28px 28px 28px 0; border-radius: 18px; object-fit: cover; object-position: center; }
.hvac-hero h1 { max-width: 650px; margin-bottom: 20px; font-size: clamp(2.25rem, 3.45vw, 4rem); line-height: 1.05; }
.hvac-hero .hero-copy { max-width: 630px; font-size: clamp(1rem, 1.15vw, 1.12rem); line-height: 1.6; }
.hvac-hero .hero-actions { margin-top: 26px; }
.hvac-hero > .trust-strip { grid-column: 1 / -1; }
.trust-strip div { display: flex; align-items: baseline; gap: 9px; }
.trust-strip strong { font: 800 1.5rem "Manrope", sans-serif; color: var(--gold); }
.trust-strip span { color: #d6dfeb; }

.plumbing-hero-media { position: relative; width: min(1180px, calc(100% - 48px)); margin: 16px auto 0; overflow: hidden; border-radius: 18px; }
.plumbing-hero .hero-image { width: 100%; margin: 0; border-radius: 0; }
.plumbing-hero .hero-shade { display: block; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(4,18,36,.96) 0%, rgba(4,18,36,.86) 34%, rgba(4,18,36,.18) 63%, rgba(4,18,36,0) 78%); }
.plumbing-hero .hero-content { position: absolute; inset: 0 auto 0 0; display: flex; width: 55%; padding: clamp(28px, 4vw, 58px); flex-direction: column; justify-content: center; }
.plumbing-hero h1 { max-width: 610px; margin-bottom: 16px; font-size: clamp(2rem, 3.25vw, 3.45rem); }
.plumbing-hero .hero-copy { max-width: 590px; font-size: clamp(.95rem, 1.15vw, 1.08rem); line-height: 1.55; }
.plumbing-hero .hero-actions { margin-top: 22px; }

.section-pad { padding: 110px clamp(24px, 7vw, 112px); }
.section-heading { max-width: 750px; }
.section-heading.center { margin: 0 auto 55px; text-align: center; }
.kicker { margin-bottom: 14px; }
.kicker.light { color: #8fb1ff; }
.problem-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: clamp(45px, 8vw, 120px); margin-top: 55px; }
.lead-copy { font-size: 1.3rem; color: var(--muted); }
.pain-list { border-top: 1px solid var(--line); }
.pain-list article { display: grid; grid-template-columns: 55px 1fr; gap: 20px; padding: 30px 0; border-bottom: 1px solid var(--line); }
.pain-list article > span { color: var(--blue); font-weight: 800; }
.pain-list h3 { margin-bottom: 8px; font-size: 1.25rem; }
.pain-list p { margin-bottom: 0; color: var(--muted); }

.how-it-works { background: var(--mist); }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; max-width: 1180px; margin: auto; }
.steps article { padding: 34px; background: white; border: 1px solid #e1e8f2; border-radius: var(--radius); box-shadow: 0 8px 28px rgba(8,26,51,.05); }
.step-icon { width: 46px; height: 46px; display: grid; place-items: center; margin-bottom: 26px; border-radius: 50%; color: white; background: var(--blue); font-weight: 800; }
.steps h3 { margin-bottom: 10px; }
.steps p { margin-bottom: 0; color: var(--muted); }

.services { display: grid; grid-template-columns: .75fr 1.25fr; gap: clamp(45px, 8vw, 110px); color: white; background: var(--navy); }
.services-intro { position: sticky; top: 118px; align-self: start; }
.services-intro p:last-child { color: #adc0d7; font-size: 1.1rem; }
.service-grid { display: grid; grid-template-columns: repeat(2, 1fr); }
.service-grid article { min-height: 245px; padding: 30px; border: 1px solid rgba(255,255,255,.12); margin: 0 -1px -1px 0; }
.service-number { color: var(--gold); font-weight: 800; margin-bottom: 28px; }
.service-grid h3 { margin-bottom: 11px; }
.service-grid p { color: #adc0d7; margin-bottom: 0; }

.industry-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 13px; margin-top: 50px; }
.industry-grid article { min-height: 285px; padding: 26px; display: flex; flex-direction: column; justify-content: flex-end; border-radius: var(--radius); color: white; background: linear-gradient(160deg, #123c74 0%, #081a33 80%); overflow: hidden; position: relative; }
.industry-grid article::before { content: ""; position: absolute; width: 150px; height: 150px; right: -55px; top: -55px; border: 1px solid rgba(255,255,255,.12); border-radius: 50%; }
.industry-grid span { color: #8fb1ff; font-weight: 800; font-size: .72rem; letter-spacing: .12em; }
.industry-grid h3 { font-size: 1.35rem; margin: 10px 0; }
.industry-grid p { color: #bed0e3; margin: 0; font-size: .95rem; }
.industry-grid .industry-link { display: inline-block; margin-top: 1rem; color: #ffffff; font-weight: 800; text-decoration: underline; text-decoration-color: #d8a949; text-underline-offset: .3rem; }
.industry-grid .industry-link:hover, .industry-grid .industry-link:focus-visible { color: #d8a949; }

.realtor-bonus { position: relative; overflow: hidden; color: white; background: linear-gradient(135deg, #0e294d 0%, #081a33 68%); }
.realtor-bonus::after { content: ""; position: absolute; width: 430px; height: 430px; right: -170px; top: -190px; border: 1px solid rgba(216,169,73,.25); border-radius: 50%; box-shadow: 0 0 0 70px rgba(216,169,73,.04), 0 0 0 140px rgba(216,169,73,.025); pointer-events: none; }
.bonus-heading { position: relative; z-index: 1; max-width: 930px; }
.bonus-label { display: inline-flex; align-items: center; min-height: 34px; padding: 0 15px; margin-bottom: 22px; color: var(--navy); background: var(--gold); border-radius: 999px; font-weight: 800; font-size: .78rem; letter-spacing: .11em; text-transform: uppercase; }
.bonus-heading h2 { max-width: 900px; margin-bottom: 25px; }
.bonus-lead { max-width: 880px; margin-bottom: 0; color: #c4d3e5; font-size: 1.13rem; }
.bonus-benefits { position: relative; z-index: 1; display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 48px; }
.bonus-benefits article { min-height: 225px; padding: 30px; border: 1px solid rgba(255,255,255,.13); border-radius: var(--radius); background: rgba(255,255,255,.055); }
.bonus-benefits article > span { display: block; margin-bottom: 30px; color: var(--gold); font-weight: 800; }
.bonus-benefits h3 { margin-bottom: 10px; }
.bonus-benefits p { margin-bottom: 0; color: #b8c9dc; }
.bonus-disclaimer { position: relative; z-index: 1; max-width: 1040px; margin: 28px 0 0; color: #91a6bf; font-size: .82rem; line-height: 1.55; }

.pricing { display: grid; grid-template-columns: 1.05fr .95fr; align-items: center; gap: clamp(50px, 9vw, 130px); background: var(--mist); }
.pricing-copy > p:not(.kicker) { color: var(--muted); font-size: 1.1rem; max-width: 620px; }
.check-list { list-style: none; padding: 0; margin: 30px 0 0; display: grid; grid-template-columns: repeat(2, 1fr); gap: 15px 24px; }
.check-list li { position: relative; padding-left: 27px; font-weight: 600; }
.check-list li::before { content: "✓"; position: absolute; left: 0; color: var(--blue); font-weight: 900; }
.price-card { padding: clamp(32px, 5vw, 52px); background: white; border-radius: 24px; box-shadow: var(--shadow); border-top: 5px solid var(--blue); }
.plan-name { font-weight: 800; color: var(--blue); }
.price { font: 800 clamp(4rem, 7vw, 6rem) "Manrope", sans-serif; letter-spacing: -.07em; color: var(--navy); }
.price sup { font-size: 1.8rem; vertical-align: super; }
.price span { margin-left: 8px; font: 600 1rem "DM Sans", sans-serif; letter-spacing: 0; color: var(--muted); }
.setup { color: var(--muted); }
.setup strong { color: var(--ink); }
.price-rule { height: 1px; background: var(--line); margin: 26px 0; }
.price-card .full { width: 100%; margin-top: 20px; }
.price-card small { display: block; text-align: center; color: var(--muted); margin-top: 15px; }

.hvac-fit { background: var(--white); }
.bonus-callout { background: linear-gradient(135deg, #eef4ff 0%, #ffffff 58%, #fff8e9 100%); border-top: 1px solid #cfddfa; border-bottom: 1px solid #cfddfa; }
.bonus-callout .section-heading { max-width: 980px; margin-bottom: 0; padding: clamp(34px, 5vw, 56px); background: rgba(255,255,255,.9); border: 2px solid rgba(20,94,255,.2); border-radius: 24px; box-shadow: 0 18px 55px rgba(8,26,51,.11); }
.bonus-badge { display: inline-block; margin-bottom: 22px; padding: 10px 20px; color: var(--navy); background: var(--gold); border-radius: 999px; font-size: 1.05rem; letter-spacing: .1em; box-shadow: 0 8px 24px rgba(216,169,73,.3); }
.bonus-callout h2 { margin-bottom: 24px; }
.bonus-copy { margin: 0 auto; color: #34475f; font-size: clamp(1.18rem, 1.65vw, 1.38rem); line-height: 1.75; }
.bonus-copy strong { color: var(--navy); }
.hvac-pricing { background: var(--mist); }
.hvac-pricing .section-heading { max-width: 820px; }
.hvac-pricing .section-heading > p:last-child { color: var(--muted); font-size: 1.08rem; }
.plan-grid { width: min(100%, 1000px); margin: 50px auto 0; display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; align-items: stretch; }
.hvac-plan { position: relative; display: flex; flex-direction: column; padding: clamp(32px, 5vw, 48px); background: white; border: 1px solid var(--line); border-radius: 24px; box-shadow: 0 14px 44px rgba(8,26,51,.08); }
.hvac-plan.featured { border: 2px solid var(--blue); box-shadow: var(--shadow); }
.popular-tag { align-self: flex-start; margin: -12px 0 24px; padding: 7px 13px; color: white; background: var(--blue); border-radius: 999px; font-size: .76rem; font-weight: 800; letter-spacing: .06em; text-transform: uppercase; }
.plan-list { flex: 1; margin: 26px 0 30px; padding: 24px 0 0; border-top: 1px solid var(--line); list-style: none; }
.plan-list li { position: relative; margin-bottom: 13px; padding-left: 27px; color: #40536c; }
.plan-list li::before { content: "✓"; position: absolute; left: 0; color: var(--blue); font-weight: 900; }
.hvac-plan .full { width: 100%; }
.pricing-note { max-width: 900px; margin: 28px auto 0; color: var(--muted); text-align: center; font-size: .9rem; }

.demo-cta { margin: 0; padding: 70px clamp(24px, 7vw, 112px); display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 60px; color: white; background: var(--blue); }
.demo-cta h2 { margin: 0; max-width: 780px; }
.demo-action { min-width: 280px; padding: 25px 30px; color: var(--navy); background: white; border-radius: var(--radius); text-align: center; box-shadow: var(--shadow); }
.demo-action a { display: block; font: 800 1.75rem "Manrope", sans-serif; color: var(--blue); text-decoration: none; }
.demo-action span { font-size: .88rem; color: var(--muted); }

.faq { display: grid; grid-template-columns: .8fr 1.2fr; gap: clamp(50px, 8vw, 120px); }
.faq-list { border-top: 1px solid var(--line); }
details { border-bottom: 1px solid var(--line); padding: 24px 0; }
summary { cursor: pointer; font: 700 1.05rem "Manrope", sans-serif; list-style: none; padding-right: 35px; position: relative; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; position: absolute; right: 4px; top: -4px; color: var(--blue); font-size: 1.7rem; }
details[open] summary::after { content: "−"; }
details p { color: var(--muted); margin: 15px 35px 0 0; }

footer { padding: 44px clamp(24px, 7vw, 112px); display: flex; justify-content: space-between; align-items: center; gap: 30px; color: #aebdd0; background: #050f20; }
.footer-brand { color: white; }
footer p { margin: 0; }
footer > a:last-child { color: white; font-weight: 700; }

@media (max-width: 1020px) {
  nav { display: none; }
  .home-hero { grid-template-columns: 1fr; }
  .home-hero > .hero-content { grid-column: 1; grid-row: 1; }
  .home-hero > .hero-image { grid-column: 1; grid-row: 2; width: calc(100% - 48px); margin: 0 24px 48px; }
  .home-hero > .trust-strip { grid-column: 1; grid-row: 3; }
  .hvac-hero { grid-template-columns: 1fr; }
  .hvac-hero > .hero-content { grid-column: 1; grid-row: 1; }
  .hvac-hero > .hero-image { grid-column: 1; grid-row: 2; width: calc(100% - 48px); height: auto; min-height: 0; margin: 0 24px 48px; }
  .hvac-hero > .trust-strip { grid-column: 1; grid-row: 3; }
  .problem-grid, .services, .pricing, .faq { grid-template-columns: 1fr; }
  .services-intro { position: static; }
  .industry-grid { grid-template-columns: repeat(2, 1fr); }
  .bonus-benefits { grid-template-columns: 1fr; }
  .plan-grid { grid-template-columns: 1fr; }
  .demo-cta { grid-template-columns: 1fr; }
}

@media (max-width: 700px) {
  .site-header { min-height: 78px; padding-top: 7px; padding-bottom: 7px; gap: 14px; }
  .brand { font-size: .92rem; }
  .logo-link { flex-basis: 170px; }
  .header-logo { max-width: 170px; }
  .brand-mark { width: 34px; height: 34px; }
  .header-call { padding: 10px 14px; font-size: .84rem; }
  .home-hero > .hero-image { width: calc(100% - 32px); height: auto; margin: 0 16px 32px; border-radius: 12px; opacity: 1; object-position: center; }
  .hero-image-label { width: 100%; margin: 0 0 18px; }
  .home-hero > .hero-content { padding: 48px 24px 36px; width: 100%; }
  .home-hero > .hero-content h1 { font-size: clamp(2.25rem, 10.5vw, 3.35rem); }
  .hvac-hero > .hero-content { padding: 44px 24px 32px; }
  .hvac-hero > .hero-image { width: calc(100% - 32px); margin: 0 16px 32px; border-radius: 12px; }
  .hvac-hero h1 { font-size: clamp(2.1rem, 10vw, 3rem); }
  h1 { font-size: clamp(2.65rem, 13vw, 4rem); }
  .hero-copy { font-size: 1.03rem; }
  .hero-actions .button { width: 100%; }
  .plumbing-hero-media { width: calc(100% - 32px); min-height: 660px; margin-top: 12px; border-radius: 12px; background: #06182f; }
  .plumbing-hero .hero-image { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: 67% center; }
  .plumbing-hero .hero-shade { background: linear-gradient(180deg, rgba(4,18,36,.86) 0%, rgba(4,18,36,.76) 60%, rgba(4,18,36,.94) 100%); }
  .plumbing-hero .hero-content { width: 100%; padding: 30px 22px; justify-content: flex-end; }
  .plumbing-hero h1 { font-size: clamp(2.15rem, 10.5vw, 3.1rem); }
  .plumbing-hero .hero-copy { font-size: 1rem; }
  .plumbing-hero .hero-actions { gap: 10px; margin-top: 20px; }
  .trust-strip { padding: 18px 24px; gap: 13px; display: grid; grid-template-columns: repeat(2, 1fr); }
  .trust-strip div { display: block; }
  .trust-strip strong, .trust-strip span { display: block; }
  .trust-strip strong { font-size: 1.1rem; }
  .trust-strip span { font-size: .72rem; line-height: 1.3; }
  .section-pad { padding: 76px 24px; }
  .steps, .service-grid, .industry-grid, .check-list { grid-template-columns: 1fr; }
  .steps article { padding: 28px; }
  .service-grid article { min-height: auto; }
  .industry-grid article { min-height: 230px; }
  .bonus-benefits article { min-height: auto; }
  .demo-cta { padding: 62px 24px; gap: 30px; }
  .demo-action { min-width: 0; width: 100%; }
  footer { flex-direction: column; align-items: flex-start; }
  footer p { display: none; }
}

@media (max-width: 470px) {
  .logo-link { flex-basis: 145px; }
  .header-logo { max-width: 145px; }
  .header-call { max-width: 145px; padding: 9px 12px; font-size: .7rem; line-height: 1.15; text-align: center; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .button { transition: none; }
}